FIGURE 9. Martinidrilus arenosus. A in Two new genera of Lumbriculidae (Annelida, Clitellata) from North Carolina, USA

FIGURE 9. Martinidrilus arenosus. A. Dorsolateral view of a whole worm (note worm was cleared, so ventral chaetae are underneath). B. Short lateral vessels branching off the dorsal vessel in two posterior segments. C. Reproductive segments (gonads not shown). D. Spermathecae in VII (left) and VIII. E. Male ducts and atrium. F. Atrium and male pore of an unmated worm, Drowning Creek. G. Atrium and male pore of a mated worm from Pettiford Creek. Scale bars: A 1 mm; B 50 μm; C 400 μm; D, E 200 μm; F, G 100 μm.